Insert a rational number between 6 and 7

Five more than the product of a number n and 8 is at least 100. write an inequality that can be used to find all positive values of n

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|

Urgent? will give brainliest to the first correct answer what is the area of the figure?